Pro Calls 10 Shot Penalty On Himself After Golf Ball Mix Up
Mark Hensby accidentally used one of Pat Perez's golf balls for five holes at the Palmetto Championship


Mark Hensby accidentally used one of Pat Perez's golf balls for five holes at the Palmetto Championship
Pro Calls 10 Shot Penalty On Himself After Golf Ball Mix Up
Australian pro Mark Hensby had a nightmare opening round at the Palmetto Championship after accidentally using a competitor's golf ball for five holes.
Hensby picked up one of Pat Perez's golf balls on the putting green and inadvertently used it for five holes before noticing.
The Aussie took it out of his bag after finding water on the 4th hole and only realised five holes later that it was Perez's ball, which we assume was a Titleist Pro V1x Left Dash, a ball with a slightly different spin profile and a small dash marking.
He received a two-stroke penalty for each hole he used the ball.
The rule ensures players do not use different types of golf balls during the same round in terms of spin characteristics and compression.
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“I asked my caddie, ‘Hey what's this dot on the ball? I've never noticed this before; did they do something with the new pro V1?’” Hensby told PGATour.com.
“And he didn’t know, so I asked my playing partners and they were like, ‘That's a low spin ball.’
"Now I don't use this ball, so there was a lot of confusion where it came from – none of my others had the dot – but we knew I had played the wrong ball.”
He was two-over-par after eight holes but quickly fell to 12-over, before playing the final 10 holes in one-over and signing for an 84.
Hensby withdrew after the opening round in just his second start on the PGA Tour this year.
“Somehow I picked up one of Pat’s balls and he ended up with one of mine,” Hensby said.
“I only found this out because Titleist wanted to get to the bottom of it. I thought they had a wrong ball in the sleeve that I had.
“If you look at both balls it's hard to know the difference.
“It's not like one is black and one is red. They're both black, but one has a small dot on it and one doesn't. Unfortunately, I didn't notice that. I’m glad he didn’t use mine.”

Elliott Heath is our News Editor and has been with Golf Monthly since early 2016 after graduating with a degree in Sports Journalism. He manages the Golf Monthly news team as well as our large Facebook, X and Instagram pages. He covered the 2022 and 2025 Masters from Augusta National and was there by the 18th green to watch Rory McIlroy complete the career grand slam. He has also covered five Open Championships on-site including the 150th at St Andrews. His first Open was in 2017 at Royal Birkdale, when he walked inside the ropes with Jordan Spieth during the Texan's memorable Claret Jug triumph. He has played 35 of our Top 100 golf courses, with his favourites being both Sunningdales, Woodhall Spa, Western Gailes, Old Head and Turnberry. He has been obsessed with the sport since the age of 8 and currently plays off of a six handicap. His golfing highlights are making albatross on the 9th hole on the Hotchkin Course at Woodhall Spa, shooting an under-par round, playing in the Aramco Team Series on the Ladies European Tour and making his one and only hole-in-one at the age of 15 - a long time ago now!
Elliott is currently playing:
Driver: Titleist TSR4
3 wood: Titleist TSi2
Hybrids: Titleist 816 H1
Irons: Mizuno MP5 5-PW
Wedges: Cleveland RTX ZipCore 50, 54, 58
Putter: Odyssey White Hot OG #5
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